| 摘要 |
PURPOSE: An advertisement method using the serial number of the advertisement is provided to increase the advertisement effect by attracting a user to participate in a premium event through the serial number attached to a medium of advertisement. CONSTITUTION: An operation server creates(S11) and sells the serial number to the first client(S12). The first client makes the business card for advertising oneself(S21) and distributes the business card to others(S22). The operation server draws the lucky serial number(S13). The second client receives the business card that the serial number is printed(S31) and asks the operation server about winning a lucky serial number(S32). After the confirmation procedures of winning the lucky serial number(S14), the operation server notifies the winning result to the second client(S33). Finally, the operation server delivers a premium to the relevant winner and completes the advertisement(S15).
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